package ch8;

/**
 * @author oldliu
 * @since 1.0
 */
public class Array3 {
    public static void main(String[] args) {
        double []ar=new double[0];
        double []d=new double[10];
        boolean f[]=new boolean[20];
        System.out.println(d[3]);
        System.out.println(f[1]);
    }
}
